FVXX20 KWBC 191057 VOLCANIC ASH ADVISORY ISSUED: 2003APR19/1100Z VAAC: WASHINGTON VOLCANO: CHIKURACHKI 0900-36 LOCATION: N5019E15527 AREA: KURILES SUMMIT ELEVATION: 5958 FT (1816M) ADVISORY NUMBER: 2003/002 INFORMATION SOURCE: ALASKA VOLCANO OBSERVATORY. ANCHORAGE VAAC. NOAA-16 IMAGERY. GEOSTATIONARY MULTISPECTRAL IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: SEVERAL ASH EMISSIONS WITH THE MOST RECENT AT ABOUT 19/0200Z OBS ASH DATE/TIME: 19/0932Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL140 MOVING E 25-50 KNOTS. FL160/FL320 MOVING E 70-125 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS AND VAFTAD REMARKS: AT ABOUT 0532Z THE TWO AREAS OF ASH DESCRIBED IN THE PREVIOUS WASHINGTON VAAC VAA BECAME TOO THIN TO SEE IN IMAGERY. AT ABOUT 0832Z ASH FROM THE MOST RECENT EMISSION BECAME TOO THIN TO SEE IN MULTISPECTRAL GMS IMAGERY. AT 0832Z THE LEADING EDGE OF THIS ASH WAS AT ABOUT N4642E16922 WHICH IS AT THE BORDER OF THE ANCHORAGE AND WASHINGTON VAACS. PRESUMABLY BY 11Z THIS THIN ASH HAS ENTERED THE WASHINGTON VAAC AIRSPACE AND HAS REACHED VERY APPROXIMATELY TO THE POINT N4600E17200. THIS WILL BE THE FINAL ADVISORY FROM THE WASHINGTON VAAC UNLESS NEW ASH EMISSIONS ARE DETECTED. NEXT ADVISORY: NO FURTHER ADVISORIES NNNN